/Engine/Source/Editor/UnrealEd/Classes/Builders/SpiralStairBuilder.h
class USpiralStairBuilder : public [UEditorBrushBuilder](API\Editor\UnrealEd\Builders\UEditorBrushBuilder)
uint32: 1
CounterClockwise
Whether the stair curves clockwise or counter-clockwise
FName
GroupName
int32
InnerRadius
The radius of the inner curve of the stair
int32
NumSteps
The total number of steps
int32
NumStepsPer360
The number of steps in one whole spiral rotation
uint32: 1
SlopedCeiling
Whether the underside of the spiral is sloped or stepped
uint32: 1
SlopedFloor
Whether the surface of the spiral is sloped or stepped
int32
StepHeight
The height of each step
int32
StepThickness
The thickness of each step
int32
StepWidth
The width of each step